Find all solutions 7 sin2x - 14 sin x + 2 = -5

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Which will form a composite function?